public class Main {
    public static void main(String[] args) {
        int[] nums1 = {0,1,3};
        int[] nums2 = {0,1,2,3,4,5,6,7,9};

        Solution s = new Solution();
        System.out.println(s.findMissingNum(nums1));
        System.out.println(s.findMissingNum(nums2));
    }
}